utils_bitmap_window.h 2.1 KB

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  1. /*
  2. * Copyright (c) 2016-2022 Bouffalolab.
  3. *
  4. * This file is part of
  5. * *** Bouffalolab Software Dev Kit ***
  6. * (see www.bouffalolab.com).
  7. *
  8. * Redistribution and use in source and binary forms, with or without modification,
  9. * are permitted provided that the following conditions are met:
  10. * 1. Redistributions of source code must retain the above copyright notice,
  11. * this list of conditions and the following disclaimer.
  12. * 2. Redistributions in binary form must reproduce the above copyright notice,
  13. * this list of conditions and the following disclaimer in the documentation
  14. * and/or other materials provided with the distribution.
  15. * 3. Neither the name of Bouffalo Lab nor the names of its contributors
  16. * may be used to endorse or promote products derived from this software
  17. * without specific prior written permission.
  18. *
  19. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  23. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  25. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  26. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  27. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. */
  30. #include <stdint.h>
  31. struct utils_bitmap_ctx {
  32. int ssn;
  33. int ssn_duration;
  34. union {
  35. uint8_t bytes[8];
  36. uint64_t map64;
  37. } bitmap;
  38. };
  39. int utils_bitmap_window_init(struct utils_bitmap_ctx *ctx, int ssn, int ssn_max);
  40. int utils_bitmap_window_bit_set(struct utils_bitmap_ctx *ctx, int bit_pos);
  41. uint64_t utils_bitmap_window_map_get(struct utils_bitmap_ctx *ctx);
  42. int utils_bitmap_window_ssn_get(struct utils_bitmap_ctx *ctx);
  43. int utils_bitmap_window_cli_init(void);